CN2211951Y - Chainless speed increasing baby cycle - Google Patents
Chainless speed increasing baby cycle Download PDFInfo
- Publication number
- CN2211951Y CN2211951Y CN 94245268 CN94245268U CN2211951Y CN 2211951 Y CN2211951 Y CN 2211951Y CN 94245268 CN94245268 CN 94245268 CN 94245268 U CN94245268 U CN 94245268U CN 2211951 Y CN2211951 Y CN 2211951Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- wheel
- speedup
- bevel gear
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gear Transmission (AREA)
Abstract
The utility model relates to a chainless speed increasing baby cycle, which mainly comprises a cycle body frame, handle bars, a seat and cycle wheels arranged at the lower part of the cycle body frame, wherein, a front cycle wheel is a driving wheel, a hub of the front cycle wheel is provided with a rotation shaft, a pedal crank transfers torque to a toothed-gear drive pair which is arranged on the rotation shaft, and the torque drives a one-way clutch to drive the hub to roll on the ground relatively. The utility model has the advantages of simple assemblage process and low cost, and the utility model can obtain relative speed increasing ratio through selecting proper teeth number of a gear.
Description
The utility model belongs to the rickshaw field, exactly is a kind of no chain speedup perambulator.
Existing perambulator is the same with bicycle substantially, and there is a wheel front, and also there is a wheel back, and the trailing wheel both sides also add two sometimes and work the small wheels that supports safety effect.Or there is a wheel front, and two wheels are established in the back; Drive trailing wheel in the middle of pedal spindle is positioned on and by sprocket wheel, chain.Use chain gear, the car volume is big, gains in weight, and cost is high and use also inconvenient.I had once designed " a kind of Chainless-drive device of Manpower propulsion of bicycle " and had applied for Chinese patent (88220192.1), this device mainly is to be placed in the wheel hub by three bearings, three bearings of pedal spindle and this cooperate simultaneously, driving gear and body framework connect firmly, and the weak point of this scheme is exactly the assembly technology complexity, too much use bearing, this makes to the dimension precision requirement strictness of member, therefore, be unfavorable for member processing, increase cost simultaneously again.
The purpose of this utility model is at above-mentioned the deficiencies in the prior art part, and a kind of no chain speedup perambulator is provided, and it is driven by direct geared, and the assembly technology that improves actuating device is beneficial to the processing and the installation of member and then cost-cutting.
The purpose of this utility model is to be achieved through the following technical solutions: no chain speedup perambulator, it comprises a body framework, have on the body framework for hand-held handlebar that is used to turn to of people and the seat that can allow the people take one's seat, the body framework bottom is equipped with body framework and surface separation and can makes the wheel of body framework motion, the set wheel of the inferoanterior of vehicle seat is a driving wheel, the wheel hub middle part of driving wheel is fixedly connected with a free-wheel clutch, this power-transfer clutch middle part connects firmly a driven wheel of differential, rotating shaft is passed and can be relatively rotated with it from the hole at described driven wheel of differential middle part, the axle body that rotating shaft is positioned at the width range of wheel hub is provided with drive bevel gear, described master, set bevel planet gear is meshing with each other and constitutes gear transmission therefrom and pays in driven wheel of differential and the rotating shaft, wherein bevel planet gear is at least one, two foot-operated cranks connect firmly respectively in the end of rotating shaft and the wheel hub both sides that are placed in, foot-operated crank rotates at the center around the shaft under the strength of one's legs effect, and with moment by above-mentioned gear transmission pay be passed to free-wheel clutch and drive hub with respect to ground surface.
The utility model has the advantages that: can obtain corresponding transmitting ratio by selecting the suitable gear number of teeth, therefore realize the purpose of speedup easily, the utility model adopts the foot-operated crank application of force and pays the motion of carry-over moment direct drive body framework by gear transmission, by simplifying and being the assembly technology that has improved actuating device, make the member handling ease, be convenient to install, thereby reduced productive costs objectively.
Fig. 1 is an actuating device scheme drawing of the present utility model,
Fig. 2 is the anterior scheme drawing of the utility model.
Embodiment:
Referring to Fig. 1, the gear transmission that driving and driven finishing bevel gear cuter (5), (8) and planetary wheel (6) constitute is paid and is positioned at wheel hub (9) width range.
Drive bevel gear (5) kink is in rotating shaft (4), be that running-fit is promptly rotatable between driving and driven finishing bevel gear cuter (5), (8) and the rotating shaft (4), drive bevel gear (5) is positioned at the outside of end cap (3), be the exterior termination of wheel hub (9) concave-convex surface, it matches with the last set concavo-convex position of foot-operated crank (1) and constitutes dental forceps power-transfer clutch (2).
In the accompanying drawings, minor axis (7) is two, they are arranged on the axle body of rotating shaft (4) symmetrically, and be positioned at the axis body middle part, this position frustum end face is to be used for limiting respectively the master, driven wheel of differential (5), (8), and it is spacing to avoid its phase countershaft (4) play by end cap (3), this has just guaranteed the good engagement that gear transmission is paid, gear transmission is paid the bevel planet gear that comprises institute's kink on two minor axises (7) (6) herein, minor axis (7) the axle core promptly can with rotating shaft (4) quadrature, also can be tilting and be formed with angle with the axle core of rotating shaft (4), the axle core that comparatively it is desirable to two minor axises (7) and rotating shaft (4) is in same plane.
In Fig. 1, free-wheel clutch (10) is interior pawl clutch, it and driven wheel of differential (8) and wheel hub (9) are fixedly connected, body framework links to each other with the afterbody of driving and driven finishing bevel gear cuter (5), (8) by bearing support (11) and bearing (12), therefore whole wheel hub (9) is rotatable with respect to body framework together with the in-to-in transmission component, when just wheel hub (9) is with respect to ground surface, the whole ground motion relatively of perambulator.
Claims (6)
1, a kind of no chain speedup perambulator, it comprises a body framework, the body framework front portion has for hand-held handlebar that is used to turn to of people and the seat that can allow the people take one's seat, the body framework bottom is equipped with body framework and surface separation and can makes the wheel of car motion, it is characterized in that: the wheel hub of described driving wheel (9) middle part connects firmly a free-wheel clutch (10), its middle part connects firmly a driven wheel of differential (8), rotating shaft (4) is passed and can be relatively rotated with it from the hole at described driven wheel of differential (8) middle part, the axle body that rotating shaft (4) is positioned at the width range of wheel hub (9) is provided with drive bevel gear (5), described master, driven wheel of differential (5), (8) going up set bevel planet gear (6) with rotating shaft (4) is meshing with each other and constitutes gear transmission therefrom and pay, wherein bevel planet gear (6) is at least one, and two foot-operated cranks (1) connect firmly in the end of rotating shaft (4) respectively and the both sides of the wheel hub that is placed in (9).
2, no chain speedup perambulator according to claim 1, it is characterized in that: above-mentioned drive bevel gear (5) kink is in rotating shaft (4), driving and driven finishing bevel gear cuter (5), (8) lay respectively at the axle body position of the rotating shaft (4) of both sides in wheel hub (9) width range, drive bevel gear (5) is positioned at the exterior termination of wheel hub (9) concave-convex surface, matches with the last set concavo-convex position of foot-operated crank (1) and form dental forceps power-transfer clutch (2) in this termination.
3, no chain speedup perambulator according to claim 2, it is characterized in that: the afterbody that above-mentioned driving and driven finishing bevel gear cuter (5), (8) extend wheel hub (9) both sides is with bearing (12) outward, bearing (12) connects firmly with bearing support (11), and bearing support (11) combines as a whole with body framework.
4, according to the described no chain speedup perambulator of claim 2, it is characterized in that: the middle part of described rotating shaft (4) is symmetrical in axle body two minor axises (7) is set, and minor axis (7) is with rotating shaft (4) relative fixed and be arranged with the bevel planet gear (6) that is meshed with described driving and driven finishing bevel gear cuter (5), (8) on it respectively.
5, no chain speedup perambulator according to claim 4, it is characterized in that: the middle part of rotating shaft (4) is a frustum, minor axis (7) is located at this frustum place, its two ends table top limits driving and driven finishing bevel gear cuter (5), (8) and the relative play of rotating shaft (4) respectively, and the axle core of two minor axises (7) and rotating shaft (4) is in same plane.
6, according to the described no chain speedup perambulator of claim 1, it is characterized in that: free-wheel clutch (10) is interior pawl clutch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94245268 CN2211951Y (en) | 1994-11-12 | 1994-11-12 | Chainless speed increasing baby cycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94245268 CN2211951Y (en) | 1994-11-12 | 1994-11-12 | Chainless speed increasing baby cycle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2211951Y true CN2211951Y (en) | 1995-11-08 |
Family
ID=33851118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 94245268 Expired - Fee Related CN2211951Y (en) | 1994-11-12 | 1994-11-12 | Chainless speed increasing baby cycle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2211951Y (en) |
-
1994
- 1994-11-12 CN CN 94245268 patent/CN2211951Y/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |